alfredo recipe desperately needed

Good morning. I can't find my recipe for a pasta alfredo sauce that I
desperately need for Saturay. It was in one of Jeanne Jones' cookbooks,
NOT "Cook it Light" (I have that right here and it's not the one. That
one has yogurt in it).
Or does anyone have a good recipe for a alfredo-type white sauce that
can go over pasta? This one I remmber had mushrooms and grated cheese in
it. Thanks.
Susan
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